<template>
  <div class="login-root">
    <section>
      <!-- 背景颜色 -->
      <div class="color"></div>
      <div class="color"></div>
      <div class="color"></div>
      <div class="box">
        <!-- 背景圆 -->
        <div class="circle" style="--x: 0"></div>
        <div class="circle" style="--x: 1"></div>
        <div class="circle" style="--x: 2"></div>
        <div class="circle" style="--x: 3"></div>
        <div class="circle" style="--x: 4"></div>
        <!-- -- 登录框 -->
        <div class="container">
          <div class="login-box">
            <div class="phone-login">
              <div class="login-header">
                <h2>
                  <img
                    height="24"
                    src="https://huangshen.oss-cn-beijing.aliyuncs.com/miao-shop/logo.png"
                  />秒优购后台管理系统
                </h2>
                <div class="phone">
                  <input
                    placeholder="请输入手机号"
                    maxlength="20"
                    type="text"
                    v-model="username"
                  />
                </div>
                <div
                  class="password"
                  @mouseenter="show(0)"
                  @mouseleave="show(3)"
                >
                  <input
                    :type="inputType"
                    placeholder="请输密码"
                    v-model="password"
                  />
                  <EyeOutlined
                    v-show="showPasswd === 2"
                    style="cursor: pointer"
                    @click="show(2)"
                    title="显示密码"
                  />
                  <EyeInvisibleOutlined
                    v-show="showPasswd === 1"
                    style="cursor: pointer"
                    @click="show(1)"
                    title="隐藏密码"
                  />
                </div>
                <div class="login-submit">
                  <div class="login-button" @click="login()">登录</div>
                  <div class="unpasswd-button" @click="gotoPasswd()">
                    忘记密码
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </section>
  </div>
</template>

<script>
import { EyeOutlined, EyeInvisibleOutlined } from "@ant-design/icons-vue";
import { message } from "ant-design-vue";
const key = "updatable";
export default {
  components: {
    EyeOutlined,
    EyeInvisibleOutlined,
  },
  data() {
    return {
      inputType: "password",
      showPasswd: 0, // 0 不显示 眼睛 1 显示加密眼睛 2 显示明文眼睛
      username: "", //账号
      password: "", //密码
    };
  },
  methods: {
    //转到重置密码页面
    gotoPasswd() {
      this.$router.push("/find_passwd");
    },
    show(i) {
      if (i === 0) {
        this.showPasswd = 1;
      } else if (i === 1) {
        this.inputType = "password";
        this.showPasswd = 2;
      } else if (i === 2) {
        this.inputType = "text";
        this.showPasswd = 1;
      } else if (i === 3) {
        this.showPasswd = 0;
      }
    },
    login() {
      if (this.username == "" || this.password == "") {
        message.warning("请输入账号或密码");
      } else {
           message.loading({ content: "正在验证身份...", key });
        this.$axios
          .post(
            "/login",
            "username=" + this.username + "&password=" + this.password
          )
          .then((response) =>{
            if (response.data.code == 2000 && response.data.msg == "success") {
               message.success({
                  content: "登录成功",
                  key,
                  duration: 2,
                });
              sessionStorage.setItem("access-token", response.data.data);
              this.$router.push("/home");
            } else {
              message.error(response.data.msg);
            }
          })
          .catch(function (error) {
             message.error(error);
          });
      }
    },
  },
};
</script>

<style lang="less" scoped>
.login-root {
  height: 100%;
  width: 100%;
}
.login-box {
  width: 100%;

  // background-color: azure;
  padding: 20px 10px 40px 10px;
}
.login-header h2 {
  text-align: center;
  margin-bottom: 20px;
}
.phone-login {
  width: 100%;
  height: 100%;
}
.phone {
  display: flex;
  justify-content: center;
}
.password {
  display: flex;
  justify-content: center;
  position: relative;
}
.login-box ::v-deep(.anticon) {
  position: absolute;
  font-size: 20px;
  right: 30px;
  top: 10px;
}
.phone-login input {
  width: 90%;
  height: 40px;
  background: #f5f5f5;
  border-radius: 8px;
  outline: none;
  font-size: 14px;
  transition: 300ms linear;
  border: none;
  padding-left: 20px;
  box-sizing: border-box;
  line-height: 40px;
  margin-bottom: 20px;
}
.login-header {
  margin-bottom: 20px;
}
.phone-login input:focus {
  color: #495057;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
  font-size: 16px;
  font-weight: bold;
}

.login-button {
  text-align: center;
  width: 30%;
  height: 40px;
  background: #1e9fff;
  line-height: 40px;
  border-radius: 8px;
  font-size: 16px;
  color: #ffffff;
  letter-spacing: 0;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease-in-out;
}
.login-submit {
  margin-top: 20px;
  display: flex;
  justify-content: space-around;
}
.unpasswd-button {
  text-align: center;
  width: 30%;
  height: 40px;
  background: #1e9fff;
  line-height: 40px;
  border-radius: 8px;
  font-size: 16px;
  color: #ffffff;
  letter-spacing: 0;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease-in-out;
}
.login-button:hover {
  background: #18c184;
}
.unpasswd-button:hover {
  background: red;
}

/* 使用flex布局，让内容垂直和水平居中 */

section {
  /* 相对定位 */
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  /* linear-gradient() 函数用于创建一个表示两种或多种颜色线性渐变的图片 */
  background: linear-gradient(to bottom, #f1f4f9, #dff1ff);
}

/* 背景颜色 */

section .color {
  /* 绝对定位 */
  position: absolute;
  /* 使用filter(滤镜) 属性，给图像设置高斯模糊*/
  filter: blur(200px);
}

/* :nth-child(n) 选择器匹配父元素中的第 n 个子元素 */

section .color:nth-child(1) {
  top: -350px;
  width: 600px;
  height: 600px;
  background: #ff359b;
}

section .color:nth-child(2) {
  bottom: -150px;
  left: 100px;
  width: 500px;
  height: 500px;
  background: #fffd87;
}

section .color:nth-child(3) {
  bottom: 50px;
  right: 100px;
  width: 500px;
  height: 500px;
  background: #00d2ff;
}

.box {
  position: relative;
}

/* 背景圆样式 */

.box .circle {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  /* backdrop-filter属性为一个元素后面区域添加模糊效果 */
  backdrop-filter: blur(5px);
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  /* 使用filter(滤镜) 属性，改变颜色。
    hue-rotate(deg)  给图像应用色相旋转 
    calc() 函数用于动态计算长度值 
    var() 函数调用自定义的CSS属性值x*/
  filter: hue-rotate(calc(var(--x) * 70deg));
  /* 调用动画animate，需要10s完成动画，
    linear表示动画从头到尾的速度是相同的，
    infinite指定动画应该循环播放无限次*/
  animation: animate 10s linear infinite;
  /* 动态计算动画延迟几秒播放 */
  animation-delay: calc(var(--x) * -1s);
}

/* 背景圆动画 */

@keyframes animate {
  0%,
  100% {
    transform: translateY(-50px);
  }
  50% {
    transform: translateY(50px);
  }
}

.box .circle:nth-child(1) {
  top: -50px;
  right: -60px;
  width: 100px;
  height: 100px;
}

.box .circle:nth-child(2) {
  top: 150px;
  left: -100px;
  width: 120px;
  height: 120px;
  z-index: 2;
}

.box .circle:nth-child(3) {
  bottom: 50px;
  right: -60px;
  width: 80px;
  height: 80px;
  z-index: 2;
}

.box .circle:nth-child(4) {
  bottom: -80px;
  left: 100px;
  width: 60px;
  height: 60px;
}

.box .circle:nth-child(5) {
  top: -80px;
  left: 140px;
  width: 60px;
  height: 60px;
}

/* 登录框样式 */

.container {
  position: relative;
  width: 400px;
  min-height: 400px;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20%;
}

.form {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 50px;
}

/* 登录标题样式 */

.form h2 {
  position: relative;
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 5px;
  margin-bottom: 30px;
  cursor: pointer;
}

/* 登录标题的下划线样式 */

.form h2::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 0px;
  height: 3px;
  background: #fff;
  transition: 0.5s;
}

.form h2:hover:before {
  width: 53px;
}

.form .inputBox {
  width: 100%;
  margin-top: 20px;
  position: relative;
}

/* 输入框样式 */

.form .inputBox input {
  width: 100%;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.2);
  outline: none;
  border: none;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 16px;
  letter-spacing: 1px;
  color: #fff;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form .inputBox input::placeholder {
  color: #fff;
}

/* 登录按钮样式 */

.form .inputBox input[type="submit"] {
  background: #fff;
  color: #666;
  max-width: 100px;
  margin-bottom: 20px;
  font-weight: 600;
  cursor: pointer;
}

.forget {
  margin-top: 6px;
  color: #fff;
  letter-spacing: 1px;
}

.forget a {
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}
</style>

